Engine-Codes - Cadillac - B0687 CADILLAC

B0687 CADILLAC Code - Security System Indicator Circuit Low

- Code Popularity: 541 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B0687 CADILLAC Code?

  • Faulty Instrument Panel Cluster (IPC)
  • Instrument Panel Cluster (IPC) harness is open or shorted
  • Instrument Panel Cluster (IPC) circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How to Fix the B0687 CADILLAC Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the B0687 CADILLAC code?

Labor: 1.0

The cost to diagnose the B0687 CADILLAC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B0687 CADILLAC code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B0687 CADILLAC Code Mean?

The security indicator is controlled by the Body Control Module (BCM) based on commands from the immobilizer system or the Content Theft Deterrent (CTD) system. With the ignition OFF, the security indicator is commanded by the CTD system. With the ignition ON, the security indicator is commanded by the immobilizer system. The security indicator is located in the Instrument Panel Cluster (IPC) and is supplied B+ at all times. When the immobilizer or CTD system requests the indicator be commanded ON, the BCM grounds the security indicator control circuit, illuminating the indicator.

Security System Indicator Circuit Low

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